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The patent EP3183083 was granted to CL Schutzrechtsverwaltungs on Feb 8, 2023. The application was filed on Aug 18, 2015 under application number EP15753354A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| SIEMENS ENERGY | Feb 18, 2020 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP1614526 |
| INTERNATIONAL-SEARCH-REPORT | US2006236544 |
| INTERNATIONAL-SEARCH-REPORT | US2012255176 |
| OPPOSITION | DE102006056160 |
| OPPOSITION | EP1358855 |
| OPPOSITION | EP1614526 |
| OPPOSITION | US2006236544 |
| OPPOSITION | US2012255176 |
| OPPOSITION | WO2012048982 |
| OPPOSITION | WO2013167903 |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
Date
Description
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Apr 3, 2023
Mar 24, 2023
Annexes in respect of a client data request
Search/Exam
Mar 24, 2023
Annexes in respect of a client data request
Search/Exam
Mar 24, 2023
Annexes in respect of a client data request
Search/Exam
Mar 24, 2023
Annexes in respect of a client data request
Search/Exam
Mar 24, 2023
Letter accompanying subsequently filed items
Search/Exam
Mar 24, 2023
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Refund of fees
Appeal
Sep 12, 2022
Sep 12, 2022
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Aug 30, 2022
Aug 24, 2022
(Electronic) Receipt
Appeal
Aug 24, 2022
Aug 24, 2022
Withdrawal of an appeal
Appeal
Jul 29, 2022
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Jul 25, 2022
(Electronic) Receipt
Appeal
Jul 25, 2022
Jul 25, 2022
Notice of appeal
Appeal
Jun 2, 2022
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Means of redress
OPPO
May 25, 2022
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Authorisation
OPPO
Jun 18, 2020
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Oct 15, 2019
Submission concerning representation
Search/Exam
Jul 15, 2019
Jun 6, 2019
Decision to grant a European patent
Search/Exam
May 16, 2019
(Electronic) Receipt
Search/Exam
May 16, 2019
English translation of the claims
Search/Exam
May 16, 2019
Filing of the translations of the claims
Search/Exam
May 16, 2019
French translation of claims
Search/Exam
May 16, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 28, 2019
Feb 1, 2019
Feb 1, 2019
Feb 1, 2019
Intention to grant (signatures)
Search/Exam
Feb 1, 2019
Text intended for grant (clean copy)
Search/Exam
Feb 1, 2019
Jan 2, 2019
(Electronic) Receipt
Search/Exam
Jan 2, 2019
Amended claims with annotations
Search/Exam
Jan 2, 2019
Amended description with annotations
Search/Exam
Jan 2, 2019
Claims
Search/Exam
Jan 2, 2019
Description
Search/Exam
Jan 2, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 2, 2019
Nov 16, 2018
Annex to the communication
Search/Exam
Nov 16, 2018
Communication from the Examining Division
Search/Exam
Nov 9, 2018
Examination started
Search/Exam
Aug 1, 2018
Jul 27, 2018
Jul 11, 2018
Submission concerning representation
Search/Exam
Dec 8, 2017
Priority search results
Search/Exam
Dec 8, 2017
Nov 20, 2017
Oct 5, 2017
(Electronic) Receipt
Search/Exam
Oct 5, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 5, 2017
Reply to Written Opinion prepared by the EPO
Search/Exam
May 31, 2017
Apr 20, 2017
Apr 11, 2017
Mar 29, 2017
Mar 27, 2017
Communication to designated inventor
Search/Exam
Mar 13, 2017
Feb 2, 2017
(Electronic) Receipt
Search/Exam
Feb 2, 2017
Request for entry into the European phase
Search/Exam
Jan 4, 2017
Information on entry into European phase
Search/Exam
Mar 15, 2016
Feb 25, 2016
Copy of the international search report
Search/Exam
Feb 25, 2016
Copy of the international search report
Search/Exam
Feb 25, 2016
Published international application - A1
Search/Exam
Oct 23, 2015
Oct 21, 2015
Oct 21, 2015
Oct 21, 2015
Oct 13, 2015
Oct 13, 2015
Aug 27, 2015
Aug 27, 2015
Aug 18, 2015
(Electronic) Receipt
PCTRO
Aug 18, 2015
Abstract
PCTRO
Aug 18, 2015
Claims
PCTRO
Aug 18, 2015
Description
PCTRO
Aug 18, 2015
Aug 18, 2015
Drawings
PCTRO
Aug 18, 2015